{
spinlock_t *dst_ptl, *src_ptl;
struct page *src_page;
+ struct folio *src_folio;
pmd_t pmd;
pgtable_t pgtable = NULL;
int ret = -ENOMEM;
src_page = pmd_page(pmd);
VM_BUG_ON_PAGE(!PageHead(src_page), src_page);
+ src_folio = page_folio(src_page);
- get_page(src_page);
- if (unlikely(page_try_dup_anon_rmap(src_page, true, src_vma))) {
+ folio_get(src_folio);
+ if (unlikely(folio_try_dup_anon_rmap_pmd(src_folio, src_page, src_vma))) {
/* Page maybe pinned: split and retry the fault on PTEs. */
- put_page(src_page);
+ folio_put(src_folio);
pte_free(dst_mm, pgtable);
spin_unlock(src_ptl);
spin_unlock(dst_ptl);
}
/*
- * TODO: once we support anonymous pages, use page_try_dup_anon_rmap()
- * and split if duplicating fails.
+ * TODO: once we support anonymous pages, use
+ * folio_try_dup_anon_rmap_*() and split if duplicating fails.
*/
pudp_set_wrprotect(src_mm, addr, src_pud);
pud = pud_mkold(pud_wrprotect(pud));